chore: enable dependabot.yml (#45)

Author: CiottiGiorgio

.github/dependabot.yml

@@ -1,15 +1,13 @@
 version: 2
 updates:
-  - package-ecosystem: 'npm'
+  - package-ecosystem: 'pip'
     directory: '/'
     schedule:
       interval: 'weekly'
     commit-message:
       prefix: 'chore(deps)'
     groups:
-      all:
-        patterns:
-          - '*'
+      minor-and-patch:
         update-types:
           - 'minor'
           - 'patch'